db-lite

this zero-dependency package will provide a persistent, in-browser database, with a working web-demo

live web demo

• https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/app

git-branch :	master	beta	alpha
test-server-github :
test-server-heroku :
test-report :
coverage :
build-artifacts :

table of contents

1. cdn download
2. documentation
3. quickstart standalone app
4. quickstart example.js
5. extra screenshots
6. package.json
7. changelog of last 50 commits
8. internal build script
9. misc

cdn download

• https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/app/assets.db.js

documentation

cli help

api doc

• https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/apidoc.html

todo

• fix IndexedDB in edge
• deprecate and remove unnecessary stable-sort
• none

changelog 2019.8.20

• npm publish 2019.8.20
• fix demo
• jslint - remove allow-method-chain-newline hack
• jslint - refactor files to 80 chr column-limit
• rename var request to req, response to res, local.errorDefault to local.errDefault, error to err, option to opt, event to evt, nextMiddleware to next
• revamp ui event-handling with window.domOnEventDelegateDict
• update build
• none

this package requires

• darwin or linux os

quickstart standalone app

to run this example, follow instruction in script below

• assets.app.js

# example.sh 
 
# this shell script will download and run a web-demo of db-lite as a standalone app 
 
# 1. download standalone app 
curl -O https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/app/assets.app.js
# 2. run standalone app 
PORT=8081 node ./assets.app.js
# 3. open a browser to http://127.0.0.1:8081 and play with web-demo 
# 4. edit file assets.app.js to suit your needs 

output from browser

output from shell

quickstart example.js

to run this example, follow instruction in script below

• example.js

/*
example.js
 
this script will run a web-demo of db-lite
 
instruction
    1. save this script as example.js
    2. run shell-command:
        $ npm install db-lite && PORT=8081 node example.js
    3. open a browser to http://127.0.0.1:8081 and play with web-demo
    4. edit this script to suit your needs
*/
 
 
 
/* istanbul instrument in package db */
/* istanbul ignore next */
/* jslint utility2:true */
(function (globalThis) {
    "use strict";
    var consoleError;
    var local;
    // init globalThis
    (function () {
        try {
            globalThis = Function("return this")(); // jslint ignore:line
        } catch (ignore) {}
    }());
    globalThis.globalThis = globalThis;
    // init debug_inline
    if (!globalThis["debug\u0049nline"]) {
        consoleError = console.error;
        globalThis["debug\u0049nline"] = function () {
        /*
         * this function will both print <arguments> to stderr
         * and return <arguments>[0]
         */
            var argList;
            argList = Array.from(arguments); // jslint ignore:line
            // debug arguments
            globalThis["debug\u0049nlineArguments"] = argList;
            consoleError("\n\ndebug\u0049nline");
            consoleError.apply(console, argList);
            consoleError("\n");
            // return arg0 for inspection
            return argList[0];
        };
    }
    // init local
    local = {};
    local.local = local;
    globalThis.globalLocal = local;
    // init isBrowser
    local.isBrowser = (
        typeof window === "object"
        && window === globalThis
        && typeof window.XMLHttpRequest === "function"
        && window.document
        && typeof window.document.querySelector === "function"
    );
    // init function
    local.assertThrow = function (passed, message) {
    /*
     * this function will throw err.<message> if <passed> is falsy
     */
        var err;
        if (passed) {
            return;
        }
        err = (
            // ternary-operator
            (
                message
                && typeof message.message === "string"
                && typeof message.stack === "string"
            )
            // if message is errObj, then leave as is
            ? message
            : new Error(
                typeof message === "string"
                // if message is a string, then leave as is
                ? message
                // else JSON.stringify message
                : JSON.stringify(message, null, 4)
            )
        );
        throw err;
    };
    local.functionOrNop = function (fnc) {
    /*
     * this function will if <fnc> exists,
     * them return <fnc>,
     * else return <nop>
     */
        return fnc || local.nop;
    };
    local.identity = function (value) {
    /*
     * this function will return <value>
     */
        return value;
    };
    local.nop = function () {
    /*
     * this function will do nothing
     */
        return;
    };
    local.objectAssignDefault = function (target, source) {
    /*
     * this function will if items from <target> are
     * null, undefined, or empty-string,
     * then overwrite them with items from <source>
     */
        target = target || {};
        Object.keys(source || {}).forEach(function (key) {
            if (
                target[key] === null
                || target[key] === undefined
                || target[key] === ""
            ) {
                target[key] = target[key] || source[key];
            }
        });
        return target;
    };
    // require builtin
    if (!local.isBrowser) {
        local.assert = require("assert");
        local.buffer = require("buffer");
        local.child_process = require("child_process");
        local.cluster = require("cluster");
        local.crypto = require("crypto");
        local.dgram = require("dgram");
        local.dns = require("dns");
        local.domain = require("domain");
        local.events = require("events");
        local.fs = require("fs");
        local.http = require("http");
        local.https = require("https");
        local.net = require("net");
        local.os = require("os");
        local.path = require("path");
        local.querystring = require("querystring");
        local.readline = require("readline");
        local.repl = require("repl");
        local.stream = require("stream");
        local.string_decoder = require("string_decoder");
        local.timers = require("timers");
        local.tls = require("tls");
        local.tty = require("tty");
        local.url = require("url");
        local.util = require("util");
        local.vm = require("vm");
        local.zlib = require("zlib");
    }
}(this));
 
 
 
(function (local) {
"use strict";
 
 
 
// run shared js-env code - init-before
(function () {
// init local
local = (
    globalThis.utility2_rollup
    || globalThis.utility2_db
    || require("db-lite")
);
// init exports
globalThis.local = local;
}());
 
 
 
/* istanbul ignore next */
// run browser js-env code - init-test
(function () {
if (!local.isBrowser) {
    return;
}
// log stderr and stdout to #outputStdout1
["error", "log"].forEach(function (key) {
    var argList;
    var elem;
    var fnc;
    elem = document.querySelector(
        "#outputStdout1"
    );
    if (!elem) {
        return;
    }
    fnc = console[key];
    console[key] = function () {
        argList = Array.from(arguments); // jslint ignore:line
        fnc.apply(console, argList);
        // append text to #outputStdout1
        elem.textContent += argList.map(function (arg) {
            return (
                typeof arg === "string"
                ? arg
                : JSON.stringify(arg, null, 4)
            );
        }).join(" ").replace((
            /\u001b\[\d*m/g
        ), "") + "\n";
        // scroll textarea to bottom
        elem.scrollTop = elem.scrollHeight;
    };
});
local.objectAssignDefault(local, globalThis.domOnEventDelegateDict);
globalThis.domOnEventDelegateDict = local;
local.onEventDomDb = local.db && local.db.onEventDomDb;
local.testRunBrowser = function (evt) {
/*
 * this function will run browser-tests
 */
    switch (
        !evt.ctrlKey
        && !evt.metaKey
        && (
            evt.modeInit
            || (evt.type + "." + (evt.target && evt.target.id))
        )
    ) {
    // custom-case
    case "dbExportButton1":
    case "dbImportButton1":
    case "dbImportInput1":
    case "dbResetButton1":
        local.db.onEventDomDb(event);
        break;
    case "click.buttonEval1":
    case true:
        // try to eval input-code
        globalThis.domOnEventDelegateDict.domOnEventResetOutput();
        try {
            eval( // jslint ignore:line
                document.querySelector("#inputTextarea1").value
            );
        } catch (errCaught) {
            console.error(errCaught);
        }
        break;
    // run browser-tests
    default:
        if (
            (evt.target && evt.target.id) !== "testRunButton1"
            && !(evt.modeInit && (
                /\bmodeTest=1\b/
            ).test(location.search))
        ) {
            return;
        }
        // show browser-tests
        if (document.querySelector(
            "#testReportDiv1"
        ).style.maxHeight === "0px") {
            globalThis.domOnEventDelegateDict.domOnEventResetOutput();
            local.uiAnimateSlideDown(document.querySelector(
                "#testReportDiv1"
            ));
            document.querySelector(
                "#testRunButton1"
            ).textContent = "hide internal test";
            local.modeTest = 1;
            local.testRunDefault(local);
            return;
        }
        // hide browser-tests
        local.uiAnimateSlideUp(document.querySelector(
            "#testReportDiv1"
        ));
        document.querySelector(
            "#testRunButton1"
        ).textContent = "run internal test";
    }
};
 
local.testRunBrowser({
    modeInit: true
});
}());
 
 
 
/* istanbul ignore next */
// run node js-env code - init-test
(function () {
if (local.isBrowser) {
    return;
}
// init exports
module.exports = local;
/* validateLineSortedReset */
// init assets
local.assetsDict = local.assetsDict || {};
[
    "assets.index.template.html",
    "assets.swgg.swagger.json",
    "assets.swgg.swagger.server.json"
].forEach(function (file) {
    file = "/" + file;
    local.assetsDict[file] = local.assetsDict[file] || "";
    if (local.fs.existsSync(local.__dirname + file)) {
        local.assetsDict[file] = local.fs.readFileSync(
            local.__dirname + file,
            "utf8"
        );
    }
});
/* jslint ignore:start */
local.assetsDict["/assets.index.template.html"] = '\
<!doctype html>\n\
<html lang="en">\n\
<head>\n\
<meta charset="utf-8">\n\
<meta name="viewport" content="width=device-width, initial-scale=1">\n\
<!-- "assets.utility2.template.html" -->\n\
<title>{{env.npm_package_name}} ({{env.npm_package_version}})</title>\n\
<style>\n\
/* jslint utility2:true */\n\
/*csslint\n\
*/\n\
/* csslint ignore:start */\n\
*,\n\
*:after,\n\
*:before {\n\
    box-sizing: border-box;\n\
}\n\
/* csslint ignore:end */\n\
@keyframes uiAnimateShake {\n\
0%,\n\
50% {\n\
    transform: translateX(10px);\n\
}\n\
100% {\n\
    transform: translateX(0);\n\
}\n\
25%,\n\
75% {\n\
    transform: translateX(-10px);\n\
}\n\
}\n\
@keyframes uiAnimateSpin {\n\
0% {\n\
    transform: rotate(0deg);\n\
}\n\
100% {\n\
    transform: rotate(360deg);\n\
}\n\
}\n\
a {\n\
    overflow-wrap: break-word;\n\
}\n\
body {\n\
    background: #eef;\n\
    font-family: Arial, Helvetica, sans-serif;\n\
    font-size: small;\n\
    margin: 0 40px;\n\
}\n\
body > div,\n\
body > form > div,\n\
body > form > input,\n\
body > form > pre,\n\
body > form > .button,\n\
body > form > .textarea,\n\
body > input,\n\
body > pre,\n\
body > .button,\n\
body > .textarea {\n\
    margin-bottom: 20px;\n\
    margin-top: 0;\n\
}\n\
body > form > input,\n\
body > form > .button,\n\
body > input,\n\
body > .button {\n\
    width: 20rem;\n\
}\n\
body > form > .textarea,\n\
body > .textarea {\n\
    height: 10rem;\n\
    width: 100%;\n\
}\n\
body > .readonly {\n\
    background: #ddd;\n\
}\n\
code,\n\
pre,\n\
.textarea {\n\
    font-family: Consolas, Menlo, monospace;\n\
    font-size: smaller;\n\
}\n\
pre {\n\
    overflow-wrap: break-word;\n\
    white-space: pre-wrap;\n\
}\n\
.button {\n\
    background: #ddd;\n\
    border: 1px solid #999;\n\
    color: #000;\n\
    cursor: pointer;\n\
    display: inline-block;\n\
    padding: 2px 5px;\n\
    text-align: center;\n\
    text-decoration: none;\n\
}\n\
.button:hover {\n\
    background: #bbb;\n\
}\n\
.colorError {\n\
    color: #d00;\n\
}\n\
.textarea {\n\
    background: #fff;\n\
    border: 1px solid #999;\n\
    border-radius: 0;\n\
    cursor: auto;\n\
    overflow: auto;\n\
    padding: 2px;\n\
}\n\
.uiAnimateShake {\n\
    animation-duration: 500ms;\n\
    animation-name: uiAnimateShake;\n\
}\n\
.uiAnimateSlide {\n\
    overflow-y: hidden;\n\
    transition: max-height ease-in 250ms, min-height ease-in 250ms, padding-bottom ease-in 250ms, padding-top ease-in 250ms;\n\
}\n\
.utility2FooterDiv {\n\
    text-align: center;\n\
}\n\
.zeroPixel {\n\
    border: 0;\n\
    height: 0;\n\
    margin: 0;\n\
    padding: 0;\n\
    width: 0;\n\
}\n\
</style>\n\
</head>\n\
<body>\n\
<div id="ajaxProgressDiv1" style="background: #d00; height: 2px; left: 0; margin: 0; padding: 0; position: fixed; top: 0; transition: background 500ms, width 1500ms; width: 0%; z-index: 1;"></div>\n\
<div class="uiAnimateSpin" style="animation: uiAnimateSpin 2s linear infinite; border: 5px solid #999; border-radius: 50%; border-top: 5px solid #7d7; display: none; height: 25px; vertical-align: middle; width: 25px;"></div>\n\
<a class="zeroPixel" download="db.persistence.json" href="" id="dbExportA1"></a>\n\
<input class="zeroPixel" data-onevent="onEventDomDb" data-onevent-db="dbImportInput" type="file">\n\
<script>\n\
/* jslint utility2:true */\n\
// init domOnEventWindowOnloadTimeElapsed\n\
(function () {\n\
/*\n\
 * this function will measure and print time-elapsed for window.onload\n\
 */\n\
    "use strict";\n\
    if (window.domOnEventWindowOnloadTimeElapsed) {\n\
        return;\n\
    }\n\
    window.domOnEventWindowOnloadTimeElapsed = Date.now() + 100;\n\
    window.addEventListener("load", function () {\n\
        setTimeout(function () {\n\
            window.domOnEventWindowOnloadTimeElapsed = (\n\
                Date.now()\n\
                - window.domOnEventWindowOnloadTimeElapsed\n\
            );\n\
            console.error(\n\
                "domOnEventWindowOnloadTimeElapsed = "\n\
                + window.domOnEventWindowOnloadTimeElapsed\n\
            );\n\
        }, 100);\n\
    });\n\
}());\n\
\n\
\n\
\n\
// init domOnEventDelegateDict\n\
(function () {\n\
/*\n\
 * this function will handle delegated dom-event\n\
 */\n\
    "use strict";\n\
    var timerTimeoutDict;\n\
    if (window.domOnEventDelegateDict) {\n\
        return;\n\
    }\n\
    window.domOnEventDelegateDict = {};\n\
    timerTimeoutDict = {};\n\
    window.domOnEventDelegateDict.domOnEventDelegate = function (evt) {\n\
        evt.targetOnEvent = evt.target.closest(\n\
            "[data-onevent]"\n\
        );\n\
        if (\n\
            !evt.targetOnEvent\n\
            || evt.targetOnEvent.dataset.onevent === "domOnEventNop"\n\
            || evt.target.closest(\n\
                ".disabled, .readonly"\n\
            )\n\
        ) {\n\
            return;\n\
        }\n\
        // rate-limit high-frequency-event\n\
        switch (evt.type) {\n\
        case "keydown":\n\
        case "keyup":\n\
            // filter non-input keyboard-event\n\
            if (!evt.target.closest(\n\
                "input, option, select, textarea"\n\
            )) {\n\
                return;\n\
            }\n\
            if (timerTimeoutDict[evt.type] !== true) {\n\
                timerTimeoutDict[evt.type] = timerTimeoutDict[\n\
                    evt.type\n\
                ] || setTimeout(function () {\n\
                    timerTimeoutDict[evt.type] = true;\n\
                    window.domOnEventDelegateDict.domOnEventDelegate(evt);\n\
                }, 50);\n\
                return;\n\
            }\n\
            timerTimeoutDict[evt.type] = null;\n\
            break;\n\
        }\n\
        switch (evt.targetOnEvent.tagName) {\n\
        case "BUTTON":\n\
        case "FORM":\n\
            evt.preventDefault();\n\
            break;\n\
        }\n\
        evt.stopPropagation();\n\
        window.domOnEventDelegateDict[evt.targetOnEvent.dataset.onevent](\n\
            evt\n\
        );\n\
    };\n\
    window.domOnEventDelegateDict.domOnEventResetOutput = function () {\n\
        document.querySelectorAll(\n\
            ".onevent-reset-output"\n\
        ).forEach(function (elem) {\n\
            switch (elem.tagName) {\n\
            case "INPUT":\n\
            case "TEXTAREA":\n\
                elem.value = "";\n\
                break;\n\
            case "PRE":\n\
                elem.textContent = "";\n\
                break;\n\
            default:\n\
                elem.innerHTML = "";\n\
            }\n\
        });\n\
    };\n\
    // init event-handling\n\
    [\n\
        "change",\n\
        "click",\n\
        "keydown",\n\
        "submit"\n\
    ].forEach(function (eventType) {\n\
        document.addEventListener(\n\
            eventType,\n\
            window.domOnEventDelegateDict.domOnEventDelegate\n\
        );\n\
    });\n\
}());\n\
\n\
\n\
\n\
// init timerIntervalAjaxProgressUpdate\n\
(function () {\n\
/*\n\
 * this function will increment ajax-progress-bar\n\
 * until webpage has loaded\n\
 */\n\
    "use strict";\n\
    var ajaxProgressDiv1;\n\
    var ajaxProgressState;\n\
    var ajaxProgressUpdate;\n\
    if (\n\
        window.timerIntervalAjaxProgressUpdate\n\
        || !document.querySelector(\n\
            "#ajaxProgressDiv1"\n\
        )\n\
    ) {\n\
        return;\n\
    }\n\
    ajaxProgressDiv1 = document.querySelector(\n\
        "#ajaxProgressDiv1"\n\
    );\n\
    setTimeout(function () {\n\
        ajaxProgressDiv1.style.width = "25%";\n\
    });\n\
    ajaxProgressState = 0;\n\
    ajaxProgressUpdate = (\n\
        window.local\n\
        && window.local.ajaxProgressUpdate\n\
    ) || function () {\n\
        ajaxProgressDiv1.style.width = "100%";\n\
        setTimeout(function () {\n\
            ajaxProgressDiv1.style.background = "transparent";\n\
            setTimeout(function () {\n\
                ajaxProgressDiv1.style.width = "0%";\n\
            }, 500);\n\
        }, 1000);\n\
    };\n\
    window.timerIntervalAjaxProgressUpdate = setInterval(function () {\n\
        ajaxProgressState += 1;\n\
        ajaxProgressDiv1.style.width = Math.max(\n\
            100 - 75 * Math.exp(-0.125 * ajaxProgressState),\n\
            ajaxProgressDiv1.style.width.slice(0, -1) | 0\n\
        ) + "%";\n\
    }, 1000);\n\
    window.addEventListener("load", function () {\n\
        clearInterval(window.timerIntervalAjaxProgressUpdate);\n\
        ajaxProgressUpdate();\n\
    });\n\
}());\n\
\n\
\n\
\n\
// init domOnEventSelectAllWithinPre\n\
(function () {\n\
/*\n\
 * this function will limit select-all within <pre tabIndex="0"> elements\n\
 * https://stackoverflow.com/questions/985272/selecting-text-in-an-element-akin-to-highlighting-with-your-mouse\n\
 */\n\
    "use strict";\n\
    if (window.domOnEventSelectAllWithinPre) {\n\
        return;\n\
    }\n\
    window.domOnEventSelectAllWithinPre = function (evt) {\n\
        var range;\n\
        var selection;\n\
        if (\n\
            evt\n\
            && evt.key === "a"\n\
            && (evt.ctrlKey || evt.metaKey)\n\
            && evt.target.closest(\n\
                "pre"\n\
            )\n\
        ) {\n\
            range = document.createRange();\n\
            range.selectNodeContents(evt.target.closest(\n\
                "pre"\n\
            ));\n\
            selection = window.getSelection();\n\
            selection.removeAllRanges();\n\
            selection.addRange(range);\n\
            evt.preventDefault();\n\
        }\n\
    };\n\
    // init event-handling\n\
    document.addEventListener(\n\
        "keydown",\n\
        window.domOnEventSelectAllWithinPre\n\
    );\n\
}());\n\
</script>\n\
<h1>\n\
<!-- utility2-comment\n\
    <a\n\
        {{#if env.npm_package_homepage}}\n\
        href="{{env.npm_package_homepage}}"\n\
        {{/if env.npm_package_homepage}}\n\
        target="_blank"\n\
    >\n\
utility2-comment -->\n\
        {{env.npm_package_name}} ({{env.npm_package_version}})\n\
<!-- utility2-comment\n\
    </a>\n\
utility2-comment -->\n\
</h1>\n\
<h3>{{env.npm_package_description}}</h3>\n\
<!-- utility2-comment\n\
<a class="button" download href="assets.app.js">download standalone app</a><br>\n\
<button class="button" data-onevent="testRunBrowser" id="testRunButton1">run internal test</button><br>\n\
<div class="uiAnimateSlide" id="testReportDiv1" style="border-bottom: 0; border-top: 0; margin-bottom: 0; margin-top: 0; max-height: 0; padding-bottom: 0; padding-top: 0;"></div>\n\
utility2-comment -->\n\
\n\
\n\
\n\
<button class="button" data-onevent="onEventDomDb" data-onevent-db="dbReset">reset database</button><br>\n\
<button class="button" data-onevent="onEventDomDb" data-onevent-db="dbExport">export database -&gt; file</button><br>\n\
<button class="button" data-onevent="onEventDomDb" data-onevent-db="dbImport">import database &lt;- file</button><br>\n\
<label>edit or paste script below to\n\
    <a\n\
        href="https://kaizhu256.github.io/node-db-lite/build..beta..travis-ci.org/apidoc.html"\n\
        target="_blank"\n\
    >eval</a>\n\
</label>\n\
<textarea class="textarea" data-onevent="testRunBrowser" id="inputTextarea1">\n\
/*jslint browser: true, node: true*/\n\
"use strict";\n\
var dbTable1, gotoState, gotoNext;\n\
gotoState = 0;\n\
gotoNext = function (err, data) {\n\
    gotoState = err\n\
        ? Infinity\n\
        : gotoState + 1;\n\
    switch (gotoState) {\n\
    case 1:\n\
        dbTable1 = window.dbTable1 = window.utility2_db.dbTableCreateOne({\n\
            name: "dbTable1"\n\
        }, gotoNext);\n\
        break;\n\
    case 2:\n\
        dbTable1.idIndexCreate({ name: "field1" }, gotoNext);\n\
        break;\n\
    case 3:\n\
        dbTable1.crudSetOneById({ field1: "aa", field2: 1, field3: "foo" }, gotoNext);\n\
        break;\n\
    case 4:\n\
        dbTable1.crudSetOneById({ field1: "bb", field2: 2, field3: "bar" }, gotoNext);\n\
        break;\n\
    case 5:\n\
        dbTable1.crudSetOneById({ field1: "cc", field2: 3, field3: "baz" }, gotoNext);\n\
        break;\n\
    case 6:\n\
        dbTable1.crudRemoveOneById({ field1: "aa" }, gotoNext);\n\
        break;\n\
    case 7:\n\
        dbTable1.crudUpdateOneById({ field1: "bb", field2: -1 }, gotoNext);\n\
        break;\n\
    case 8:\n\
        dbTable1.crudSetOneById({ field2: Math.random() }, gotoNext);\n\
        break;\n\
    case 9:\n\
        dbTable1.crudGetManyByQuery({\n\
            limit: Infinity,\n\
            query: { field2: { $gte: -Infinity, $lte: Infinity } },\n\
            skip: 0,\n\
            sort: [{ fieldName: "_timeUpdated", idDescending: true }]\n\
        }, gotoNext);\n\
        break;\n\
    case 10:\n\
        console.error(data);\n\
        dbTable1.crudCountAll(gotoNext);\n\
        break;\n\
    case 11:\n\
        console.error("number of rows: " + data);\n\
        break;\n\
    default:\n\
        console.error(err.stack);\n\
    }\n\
};\n\
gotoNext();\n\
</textarea>\n\
<button class="button" data-onevent="testRunBrowser" id="buttonEval1">eval script</button><br>\n\
<label>stderr and stdout</label>\n\
<pre class="onevent-reset-output readonly textarea" id="outputStdout1" tabindex="0"></pre>\n\
<!-- utility2-comment\n\
{{#if isRollup}}\n\
<script src="assets.app.js"></script>\n\
{{#unless isRollup}}\n\
utility2-comment -->\n\
<script src="assets.utility2.rollup.js"></script>\n\
<script>window.utility2_onReadyBefore.counter += 1;</script>\n\
<script src="jsonp.utility2.stateInit?callback=window.utility2.stateInit"></script>\n\
<script src="assets.db.js"></script>\n\
<script src="assets.example.js"></script>\n\
<script src="assets.test.js"></script>\n\
<script>window.utility2_onReadyBefore();</script>\n\
<!-- utility2-comment\n\
{{/if isRollup}}\n\
utility2-comment -->\n\
<div class="utility2FooterDiv">\n\
    [ this app was created with\n\
    <a href="https://github.com/kaizhu256/node-utility2" target="_blank">utility2</a>\n\
    ]\n\
</div>\n\
</body>\n\
</html>\n\
';
/* jslint ignore:end */
/* validateLineSortedReset */
/* jslint ignore:start */
local.assetsDict["/assets.db.js"] =
    local.assetsDict["/assets.db.js"] ||
    local.fs.readFileSync(local.__dirname + "/lib.db.js", "utf8"
).replace((/^#!\//), "// ");
/* jslint ignore:end */
/* validateLineSortedReset */
local.assetsDict["/"] = local.assetsDict[
    "/assets.index.template.html"
].replace((
    /\{\{env\.(\w+?)\}\}/g
), function (match0, match1) {
    switch (match1) {
    case "npm_package_description":
        return "the greatest app in the world!";
    case "npm_package_name":
        return "db-lite";
    case "npm_package_nameLib":
        return "db";
    case "npm_package_version":
        return "0.0.1";
    default:
        return match0;
    }
});
local.assetsDict["/assets.example.html"] = local.assetsDict["/"];
local.assetsDict["/index.html"] = local.assetsDict["/"];
// init cli
if (module !== require.main || globalThis.utility2_rollup) {
    return;
}
/* validateLineSortedReset */
local.assetsDict["/assets.example.js"] = (
    local.assetsDict["/assets.example.js"]
    || local.fs.readFileSync(__filename, "utf8")
);
local.assetsDict["/favicon.ico"] = local.assetsDict["/favicon.ico"] || "";
// if $npm_config_timeout_exit exists,
// then exit this process after $npm_config_timeout_exit ms
if (Number(process.env.npm_config_timeout_exit)) {
    setTimeout(process.exit, Number(process.env.npm_config_timeout_exit));
}
// start server
if (globalThis.utility2_serverHttp1) {
    return;
}
process.env.PORT = process.env.PORT || "8081";
console.error("http-server listening on port " + process.env.PORT);
local.http.createServer(function (req, res) {
    req.urlParsed = local.url.parse(req.url);
    if (local.assetsDict[req.urlParsed.pathname] !== undefined) {
        res.end(local.assetsDict[req.urlParsed.pathname]);
        return;
    }
    res.statusCode = 404;
    res.end();
}).listen(process.env.PORT);
}());
}());

output from browser

output from shell

extra screenshots

1. https://kaizhu256.github.io/node-db-lite/build/screenshot.buildCi.browser.%252Ftmp%252Fbuild%252Fapidoc.html.png

2. https://kaizhu256.github.io/node-db-lite/build/screenshot.buildCi.browser.%252Ftmp%252Fbuild%252Fcoverage.lib.html.png

3. https://kaizhu256.github.io/node-db-lite/build/screenshot.buildCi.browser.%252Ftmp%252Fbuild%252Ftest-report.html.png

4. https://kaizhu256.github.io/node-db-lite/build/screenshot.deployGithub.browser.%252Fnode-db-lite%252Fbuild%252Fapp%252Fassets.swgg.html.png

5. https://kaizhu256.github.io/node-db-lite/build/screenshot.deployGithub.browser.%252Fnode-db-lite%252Fbuild%252Fapp.png

6. https://kaizhu256.github.io/node-db-lite/build/screenshot.deployGithubTest.browser.%252Fnode-db-lite%252Fbuild%252Fapp.png

7. https://kaizhu256.github.io/node-db-lite/build/screenshot.deployHeroku.browser.%252Fassets.swgg.html.png

8. https://kaizhu256.github.io/node-db-lite/build/screenshot.deployHeroku.browser.%252F.png

9. https://kaizhu256.github.io/node-db-lite/build/screenshot.deployHerokuTest.browser.%252F.png

10. https://kaizhu256.github.io/node-db-lite/build/screenshot.npmTest.browser.%252F.png

11. https://kaizhu256.github.io/node-db-lite/build/screenshot.testExampleJs.browser.%252F.png

12. https://kaizhu256.github.io/node-db-lite/build/screenshot.testExampleSh.browser.%252F.png

package.json

{
    "author": "kai zhu <[e-mail]>",
    "bin": {
        "db-lite": "lib.db.js"
    },
    "description": "this zero-dependency package will provide a persistent, in-browser database, with a working web-demo",
    "devDependencies": {
        "electron-lite": "kaizhu256/node-electron-lite#alpha",
        "utility2": "kaizhu256/node-utility2#alpha"
    },
    "engines": {
        "node": ">=10.0"
    },
    "homepage": "https://github.com/kaizhu256/node-db-lite",
    "keywords": [
        "database",
        "embedded",
        "indexeddb",
        "nedb"
    ],
    "license": "MIT",
    "main": "lib.db.js",
    "name": "db-lite",
    "nameAliasPublish": "esdb nanodb",
    "nameLib": "db",
    "nameOriginal": "db-lite",
    "os": [
        "darwin",
        "linux"
    ],
    "repository": {
        "type": "git",
        "url": "https://github.com/kaizhu256/node-db-lite.git"
    },
    "scripts": {
        "build-ci": "./npm_scripts.sh",
        "env": "env",
        "eval": "./npm_scripts.sh",
        "heroku-postbuild": "./npm_scripts.sh",
        "postinstall": "./npm_scripts.sh",
        "start": "./npm_scripts.sh",
        "test": "./npm_scripts.sh",
        "utility2": "./npm_scripts.sh"
    },
    "version": "2019.8.20"
}

changelog of last 50 commits

internal build script

• build_ci.sh

# build_ci.sh 
 
# this shell script will run the build for this package 
 
shBuildCiAfter () {(set -e
    # shDeployCustom 
    shDeployGithub
    shDeployHeroku
    shReadmeTest example.sh
)}
 
shBuildCiBefore () {(set -e
    shNpmTestPublished
    shReadmeTest example.js
)}
 
# run shBuildCi 
eval "$(utility2 source)"
shBuildCi

misc

• this package was created with utility2